Bottle closure



1 1945. J. F. MILLARD 2,339,072

BOTTLE CLOSURE Filed July 29, 1942 riim 6 M Inventor @602 I MJ'ZZQIWM Patented Nov. 13 1945 1' UNITED STATES PATENT" oFFlc j Application July 29, 1942, Serial No. 452,779

2 Claims. (01. 215-31) The present invention relates to new and useful improvements in closures for bottles and similar containers and has for its primary O je t provide a sealing disk adapted for positioning within the neck of the bottle and supported in a position to provide a substantially liquid-tight seal and which at the same time may be easily and quickly placed in position or removed from the bottle when desired.

A further object is to provide a device of this character of simple and practical construction, which is efficient and reliable in performance, relatively inexpensive to manufacture and otherwise well adapted for the purposes for which the same is intended.

Other objects and advantages reside in the details of construction as more fully hereinafter described and claimed, reference being had to the accompanying drawing forming part hereof, wherein like numerals refer to like parts throughout and in which:

Figure 1 is a fragmentary top plan view showing the sealing disk in position in the bottle.

Figures 2 and 3 are transverse sectional views taken respectively on the line 2-2 and 33 of Figure 1, and

Figure 4 illustrates a modified construction showing a fragmentary vertical sectional view of the neck of the bottle and with the sealing disk constructed for use with a vacuum bottle.

Referring now to the drawing in detail wherein for the purpose of illustration I have disclosed a preferred embodiment of the invention the numeral 5 designates the bottle having a neck portion 6 in which is molded an internally projecting rib or beading 1 providing a restricted circular opening in the neck and forming an enlarged head having a chamber 8 at the upper portion of the neck above said rib.

The opening in the top of the neck of the bottle is of oval shape as shown to advantage in Figure l of the drawing and the upper edge of the neck is formed with an inwardly projectin lip 9 while the walls of the chamber 8 immediately below the lip 9 are provided with an inwardly projecting beading ID. The lip 9 and beading [0 are likewise oval-shaped and define an annular groove ll therebetween, the walls of which taper toward the open end of the bottle as will be apparent from an inspection of Figure 2 of the drawing.

The diameter of the restricted opening formed by the rib I is less than the width of the opening in theupper end of the bottle formed by the lip 9. a

A sealing disk is provided and is designated at I2, which may be constructed of cork, heavy paper or cardboard, or semi-rigid composition material, wood or other suitable material, the disk being or oval shape in plan with its edges adapted to conformably fit in the groove I l. The edges of the disk are beveled as shown at l3 to conform to the tapered Walls of the groove II and rising from the top of the disk is a lug or finger grip Id.

The area of the open end of the bottle at the beading i0 is greater than the area at the lip 9 and in placing the disk in position the same is inserted edgewise through the opening in the neck of the bottle into the chamber 8 and is then turned into its horizontal position and upwardly over the heading l0 into the groove H into the position shown in Figures 2 and 3 of the drawing.

Any internal pressure within the bottle or container having a tendency to force the disk outwardly will cause a tight sealing action of the edge of the disk with the wall of the groove l I as-well as against the lip 9.

In order to remove the disk pressure is exerted on one end thereof in an inward direction to force the same over the beadin l0 and the disk may then be tilted and removed in a manner as will be apparent.

When it is desired to employ the disk for sealing a bottle or container having a vacuum the relative diameters of the beading and the lip are reversed, that is, the beading Illa projects inwardly beyond the lip So as shown in Figure 4 and the beveling l3a of the disk He is also reversed the bevelling being formed on the underside of the disk to conformably fit in the groove Ila.

It is believed the details of construction, advantages and manner of use of the device will be readily understood from the foregoing without further detailed explanation.

Having described the invention, claimed as new is:

1. A bottle including a neck portion, an internal rib in the neck portion providing a restricted opening in said neck portion and defining an enlarged head havin a chamber therein outwardly of the restricted opening, said head tapering toward its outer end and the outer end of the head being oval-shaped, an internal beading in the oval-shaped portion of the head adjacent its outer end, an inturned lip at the open outer edge of the head and spaced from the beading to form an annular groove between the beading and the rib, and an oval-shaped disk adapted for removably positioning in said groove what is said disk having a beveled edge adapted to facilitate riding of the disk over the heading into the groove and said lip extending laterally inwardly beyond the beading to prevent movement of the disk past the lip when the disk is arranged in a matching position in the groove of the neck.

2. A bottle including a neck portion, an in-- ternal rib in the neck portion providing a restricted opening in said neck portion and defining an enlarged head havinga chamber therein outwardly of the restricted opening, said head tapering toward its outer end and the outer end of the head being oval-shaped, an internal beading in the oval-shaped portion of the head adja cent its outer end, an inturned lip at the open outer edge of the head and spaced from the beading to form an annular groove between the beading and the rib, and an oval-shaped disk adapted for removably positioning in said groove, said disk having a beveled edge adapted to facilitate riding of the disk over the beading into the groove and said lip and said beading extending laterally inwardly one beyond the other to prevent movement of the disk past the innermost thereof when the disk is arranzed in a matching position in the groove of the neck.

JACOB F. MILLARD. 

